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Finding the Fourth Proportional to 38,281.60, 57,422.40 and 34,053.40

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Solution

The fourth proportional to 38,281.60, 57,422.40 and 34,053.40 is: 51,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.60 : 57,422.40 = 34,053.40 : x
  2. Step 2: Convert to fraction form
    38,281.60/57,422.40 = 34,053.40/x
  3. Step 3: Cross multiply
    38,281.60x = 57,422.40 × 34,053.40
  4. Step 4: Simplify right side
    38,281.60x = 1,955,427,956.16
  5. Step 5: Solve for x
    x = 1,955,427,956.16/38,281.60
  6. Step 6: Final answer
    x = 51,080.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.